Seafood footprint
The footprints of human fishermen now cover much more of the world's oceans than half a century ago.
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The idea is to calculate the proportion of primary production - all the chemical energy stored up in living things as a result of photosynthesis - that goes to meeting human needs.
The higher up the food chain you go to find the fish of interest, the more primary productivity you're using. The ones we tend to like eating best, be it tuna, cod or salmon, live at or near the top.
See it here.
It shows that European vessels are now traveling to the furthest corners of the world to exploit fish stocks. Declining domestic catches and efforts to reduce the number of vessels fishing in European waters have resulted in much of the European tuna and other pelagic fleets concentrating their fishing efforts overseas.
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According to the EU, in 2008 the EU external fleet comprised of 718 vessels, which represents 25% of the EU fleet in terms of gross tonnage.
The 718 vessels broken down by Member State:
Spain: 424 (59%)
France: 100 (14%)
Portugal: 73 (10%)
Italy: 52 (7%)
Greece: 18 (3%)
Lithuania: 12 (2%)
Estonia: 10 (1%)
UK: 9 (1%)
Others (Latvia, Germany, Poland, Malta, Denmark, Cyprus): 20 (3%).
...
The idea is to calculate the proportion of primary production - all the chemical energy stored up in living things as a result of photosynthesis - that goes to meeting human needs.
The higher up the food chain you go to find the fish of interest, the more primary productivity you're using. The ones we tend to like eating best, be it tuna, cod or salmon, live at or near the top.
It shows that European vessels are now traveling to the furthest corners of the world to exploit fish stocks. Declining domestic catches and efforts to reduce the number of vessels fishing in European waters have resulted in much of the European tuna and other pelagic fleets concentrating their fishing efforts overseas.
...
According to the EU, in 2008 the EU external fleet comprised of 718 vessels, which represents 25% of the EU fleet in terms of gross tonnage.
The 718 vessels broken down by Member State:
Spain: 424 (59%)
France: 100 (14%)
Portugal: 73 (10%)
Italy: 52 (7%)
Greece: 18 (3%)
Lithuania: 12 (2%)
Estonia: 10 (1%)
UK: 9 (1%)
Others (Latvia, Germany, Poland, Malta, Denmark, Cyprus): 20 (3%).